CN109831127A - Control assembly for operation of electrical equipment - Google Patents
Control assembly for operation of electrical equipment Download PDFInfo
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- CN109831127A CN109831127A CN201811345552.0A CN201811345552A CN109831127A CN 109831127 A CN109831127 A CN 109831127A CN 201811345552 A CN201811345552 A CN 201811345552A CN 109831127 A CN109831127 A CN 109831127A
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- Prior art keywords
- control assembly
- magnetic
- actuator
- magnetic sensor
- sensor
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- 230000005611 electricity Effects 0.000 claims description 4
- 230000009466 transformation Effects 0.000 claims description 2
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- 239000004065 semiconductor Substances 0.000 description 12
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- XOMKZKJEJBZBJJ-UHFFFAOYSA-N 1,2-dichloro-3-phenylbenzene Chemical compound ClC1=CC=CC(C=2C=CC=CC=2)=C1Cl XOMKZKJEJBZBJJ-UHFFFAOYSA-N 0.000 description 3
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- 230000005389 magnetism Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/001—Gearings, speed selectors, clutches or the like specially adapted for rotary tools
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/30—Arrangements for controlling the direction of rotation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/08—Arrangements for controlling the speed or torque of a single motor
Abstract
A control assembly for operation of an electrical device. The present invention provides a control assembly for controlling the operating speed of an electrical device, the control assembly comprising: a control assembly housing; a magnetic sensor; a magnetic element; an actuator configured to move relative to the control assembly housing, wherein in response to said movement of the actuator relative to the control assembly housing, the magnetic sensor and the magnetic element move relative to each other between at least one of a first position and a second position, such that in the first position the magnetic sensor senses a first magnetic field reading and in the second position the magnetic sensor senses a second magnetic field reading; and a control module operatively connected to the magnetic sensor and configured to control the electrical device to operate at least one of the first speed and the second speed by reference to an output of the magnetic sensor representing the sensed first magnetic field reading and the second magnetic field reading, respectively.
Description
Technical field
The present invention relates to the speed Control of the electrical equipment for realizing electric tool etc. and/or switching operations
Control assembly.
Background technique
In electric tool conventional speeds control usually can be used with variable resistor element (such as setting printing
Carbon film on circuit board) potentiometer etc. execute.The effective resistance obtained from carbon film can in response to actuator movement and
Variation, the actuator cause potentiometric current-carrying conduction brush to be slided on the surface of carbon film.The variable resistance can be used in example
In RC circuit, to generate the suitable time delay controlled for the Trigger Angle to thyristor, thyristor is sequentially
The stator winding of excited electric motor, and motor is caused to rotate with desired speed.Since carbon film is subjected to conduction brush at it
Sliding repeatedly on surface, carbon film and conduction brush can suffer from sizable wear and tear, this may finally lead to inaccuracy
Or unstable speed control operation.Moreover, carbon film tends to be exposed to contaminant particle, this not only tends to lead to conductive welding disk
The short circuit of upper trace, and damage caused by the scraping due to conduction brush along carbon film may be aggravated.
Certain electrical switching units for electric tool will include also such as reversing mechanism, for inverting electric tool
Drill bit direction of rotation.Reversing mechanism can realize the commutation of the reversion of internal switch contact pair for example including that can operate
Bar, for making the purpose for the sense of current reversion for being transported to motor.In order to invert internal switch contact, switch contact
It will slide against each other, and thus lead to wear and tear, this may also jeopardize the precision and stabilization that are transferred to the electric current of motor
Property.
Summary of the invention
The present invention is directed to mitigate at least one problem in the above problem.
The present invention can be related to multiple broad overall forms.The embodiment of the present invention may include the wide in range shape of difference as described herein
One of formula or any combination.
In a broad overall form, the present invention provides a kind of for controlling the control group of the running speed of electrical equipment
Part, the control assembly include: control assembly shell；Magnetic sensor；Magnetic element；Actuator is configured to relative to control
Assembly housing processed is mobile, wherein the movement in response to actuator relative to control assembly shell, magnetic sensor and magnetism
Element is moved relative to each other between at least one position in first position and the second position, so that in first position
When, magnetic sensor senses the first magnetic field reading, and at the second position, magnetic sensor senses the second magnetic field reading；And control
Molding block is operatively connected to magnetic sensor, and configures to the first magnetic field by reference to respectively indicating sensing
Reading and the second magnetic field reading magnetic sensor output, control electrical equipment in First Speed and second speed extremely
Few speed operating.
Preferably, magnetic sensor may include hall effect sensor.
Preferably, magnetic sensor can be installed to control assembly shell, and magnetic element can be installed to actuator.
Alternatively, magnetic sensor can be installed to actuator, magnetic element can be installed to control assembly shell.
Preferably, control assembly may be integrally formed in electrical switching unit, and thus actuator may include using
In the contact for switching on and off electrical switching unit, electric switch actuator.
Preferably, the output of magnetic sensor may include variable resistance, which indicates the first magnetic of sensing
At least one of field reading and the second magnetic field reading reading.
Preferably, magnetic sensor may include magnetoresistance material.
Preferably, the running speed of electrical equipment may include the running speed of the motor of electrical equipment.
Preferably, electrical equipment may include at least one of electric tool and electrical garden tool set.
In another broad overall form, the present invention provides a kind of for selectively controlling the Positive work of electrical equipment
With the control assembly of antiport, which includes: control assembly shell；Magnetic sensor；Magnetic element；Actuator,
It is configured to relative to the movement of control assembly shell, wherein the shifting in response to actuator relative to control assembly shell
Dynamic, magnetic sensor and magnetic element move relative to each other between at least one position in first position and the second position
It is dynamic, so that magnetic sensor senses the first magnetic field reading at first position, and at the second position, magnetic sensor sensing
Second magnetic field reading；And control module, it is operatively connected to magnetic sensor, and be configured to reference to difference
The output for indicating the first magnetic field reading of sensing and the magnetic sensor of the second magnetic field reading controls electrical equipment with forward direction fortune
The operating of at least one of rotary-die type and antiport mode operation mode.
Preferably, magnetic sensor may include hall effect sensor.
Preferably, magnetic sensor can be installed to control assembly shell, and magnetic element can be installed to actuator.
Alternatively, magnetic sensor can be installed to actuator, magnetic element can be installed to control assembly shell.
Preferably, control assembly may be integrally formed in electrical switching unit, and thus actuator may include electricity
The reversing bar of air cock unit.
Preferably, the output of magnetic sensor may include variable resistance, which can indicate the of sensing
At least one of one magnetic field reading and the second magnetic field reading reading.
Preferably, magnetic sensor may include magnetoresistance material.
Preferably, the Positive work of electrical equipment and antiport may include the forward direction of the motor of electrical equipment
Operating and antiport.
Preferably, electrical equipment may include at least one of electric tool and electrical garden tool set.
In another broad overall form, the present invention provides a kind of for selectively controlling the Positive work of electrical equipment
With the control assembly of antiport, which includes: control assembly shell；Optical sensor；Actuator, construction are used
With mobile relative to control assembly shell, wherein the movement in response to actuator relative to control assembly shell, works as actuating
When device is disposed relative to the first position of control assembly, optical sensor senses the first optical readings, and works as actuator
When being disposed relative to the second position of control assembly shell, optical sensor senses the second optical readings；And control module,
It is operatively connected to optical sensor, and configure to by reference to respectively indicating sensing the first optical readings and
The output of the optical sensor of second optical readings controls electrical equipment in Positive work mode and antiport mode
At least one operation mode operating.
Preferably, optical sensor may include optical chopper.
Preferably, optical sensor can be installed to control assembly shell, and thus actuator can be configured to relatively
It is mobile in optical sensor.Alternatively, optical sensor can be installed to actuator, thus when actuator is relative to control
When assembly housing is mobile, optical sensor can be configured to mobile relative to control assembly shell.
Preferably, control assembly may be integrally formed in electrical switching unit, and thus actuator may include electrical
The reversing bar of switch unit.
Preferably, the output of optical sensor may include variable resistance, which can indicate the of sensing
At least one of one optical readings and the second optical readings reading.
Preferably, the Positive work of electrical equipment and antiport may include the forward direction of the motor of electrical equipment
Operating and antiport.
Preferably, electrical equipment may include at least one of electric tool and electrical garden tool set.
Detailed description of the invention
According to the detailed description below in conjunction with attached drawing to preferred but non-limiting embodiment of the invention, will more sufficiently manage
The solution present invention, in which:
Figure 1A shows the top view of the electrical switching unit for electric tool, which includes basis
The control assembly with speed changing control mechanism and reversing mechanism of one embodiment of the present of invention；
Figure 1B shows the sectional view of the embodiment of the electrical switching unit of Fig. 1；
Fig. 2A shows the top view of the electrical switching unit for electric tool, which includes basis
The control assembly with speed changing control mechanism and reversing mechanism of another embodiment of the present invention；
Fig. 2 B shows the sectional view of the embodiment of the electrical switching unit of Fig. 3；With
Fig. 3 shows the output signal of controller assemblies according to an embodiment of the present invention, and the output signal is by as control
The input of the integrated circuit of module, the control module are configured for providing control letter to the brushless DC motor of electrical equipment
Number.
Specific embodiment
Now, the preferred embodiment of the present invention will be described referring to figs. 1 to Fig. 3 herein.Embodiment includes being used for electric tool
Speed change trigger control assembly, electric tool include such as electric drill, grinder, sander, saw, rotary drive tool.It should
Be appreciated and understood by, although this embodiment is described for electric tool, this be only be functions
Purpose, alternate embodiment of the invention can of course be used for other kinds of electrical equipment, such as garden tool set.Though in addition,
Right embodiments of the invention described herein be related to include motor electrical equipment, but it is to be understood that of the invention replaces
It also can be applied to include the solenoid to realize operating for electrical equipment mobile (for example, reciprocating motion) for embodiment
The electrical equipment of type electromechanical units.
Electric tool includes brushless DC motor 10, and brushless DC motor includes rotor and stator, for providing driving rotor
Magnetic field.The rotor of brushless DC motor 10 includes by multiple bearing supports with for providing the output shaft of output torque, and by
The permanent magnet for generating magnetic field surrounds.Stator is installed around rotor, is equipped with air gap between the stator and the rotor.Stator winding is located at
In air gap and be arranged as it is relatively parallel with the output shaft of rotor, and usually can with Δ (Delta) construct or three-phase star
The construction connection of any one of wiring construction.When electric current flows through stator winding, the electric current generated in the stator windings generates magnetic
, magnetic field and rotor magnetic coupling, and turned round by magnetic field " dragging " rotor.The magnetic generated by the permanent magnet in rotor assembly
Field will be tended to for its own being aligned with the magnetic field that stator generates, so that rotor will undergo moving in rotation.Therefore, pass through control
The timing of stator winding and sequence motivate, this makes it possible to set rotor with any desired running speed and rotation direction
The moving in rotation of axis controls, as described in more detail later.
With reference to Figure 1A and 1B, speed change triggering control assembly includes the plastic casing of molding, which is used for electronic
The handle of tool is nearby installed to the main body of electric tool.Shell includes that first shell component 6 and second shell component (do not show
Out), first shell component 6 and second shell component can be to be clasped or be threaded togather, with basic envelope wherein
Close at least some of the component of triggering control assembly component.Speed change triggering control assembly includes actuator 4, and actuator 4 has
There are finger hold and actuator shaft, actuator shaft is operatively connected to the moveable switch contact of electrical switching unit.Work as touching
When hair device is extruded, actuator shaft 4 is positioned against along mobile axis X from OFF (disconnection) towards the inside of the opening in shell 6
Slide to ON (connection) position linearity (contact moving contact 7 with the formation of the fixed contact of electrical switching unit, and
By pushing reset spring, the outside of opening of the actuator shaft 4 into shell is positioned against OFF position from ON along mobile axis X
Linearly sliding (thus moving contact 7 is mobile disengages with fixed contact).
Magnetic element 3 is arranged on actuator shaft 4, and corresponding magnetic sensor 2 is arranged on shell 6, so that working as
When actuator shaft 4 moves along inside and outside sliding of the axis X to shell 6, the configuration of magnetic sensor 2 comes to sense
The changing magnetic field of magnetic element 3 is read, and magnetic field reading indicates the relative distance of magnetic element 3 and magnetic sensor 2.?
In the embodiment, magnetic sensor 2 is realized by hall effect sensor, but in other embodiments, can alternatively be matched
The magnetic sensor 2 using any other suitable type is set, to sense magnetic field or the others magnetic phase of corresponding magnetic element 3
Close attribute.In still other embodiments, it can use one or more optical sensors to replace magnetic sensor 2.For letter
For the sake of list, magnetic element 3 may include the appropriate size for being adapted for secure to actuator shaft 4 and the permanent magnet of specification.Should also
Understand, in alternative embodiments of the present invention, the positioning of magnetic sensor 2 and magnetic element 3 can overturn, thus magnetic to pass
Sensor 2 can be installed to actuator shaft 4, and magnetic element 3 can be installed to shell 6.
When actuator shaft 4 is arranged in OFF position, the electrical contact 7 in electrical switching unit is disconnected, and motor 10 is defeated
Zero speed out.When actuator shaft 4 is moved to the position ON, electrical contact 7 in electrical switching unit is connected, realize power supply and
Electrical communication between motor 10.Depending on the degree that trigger is squeezed by user's finger, when electric switch contact 70 connects
When logical, magnetic element 3 can be disposed relative in any one position in multiple possible positions of magnetic sensor 2.Example
Such as, when trigger is initially extruded and electric switch contact 7 forms connection construction at first, magnetic element 3 is away from magnetic transducing
The distance of device 2 is likely to be at relative maximum distance during the ON mode of electrical switching unit, and the relative maximum distance is by magnetism
The relatively minimal magnetic field that sensor 2 senses during ON mode reads instruction.As trigger is further by user's finger
It squeezes, magnetic element 3 gradually moves closer to magnetic sensor 2 with the sliding of actuator shaft 4, then magnetic sensor 2
The increasingly stronger magnetic field reading from magnetic element 3 will gradually be sensed.When magnetic element 3 is in the ON mould of electric switch
During formula in away from magnetic sensor 2 it is relatively minimal apart from when, magnetic sensor 2 will sense relative maximum magnetic field reading
Number.The hall effect sensor configuration variable resistance proportional to the magnetic field that exports to sensed by sensor.Hall effect passes
Sensor 2 is installed on sensor PCB 5, is disposed on sensor PCB 5 variable resistance being converted into variable voltage signal
Proper circuit, variable voltage signal are used as the input of control module 11, and control module 11 is used for reference to the variable voltage by inputting
The speed of signal designation and the operating for suitably controlling brushless DC motor 10.
Control module 11 includes circuit for controlling motor, and circuit for controlling motor receives variable voltage signal, and as sound
Answer, export electric control module signal, the operation of electric control module signal driving power module, the power module include with
Multiple MOSFET of the corresponding input terminal connection of the stator winding of DC brushless motor 10.It is pressed by reference to control module 11
Sequentially activate each stator winding via MOSFET according to controlled timing and sequence, the permanent magnet of rotor continuously follow by
The positive magnetic field that stator winding generates.Control module includes the microcontroller semiconductor for being programmed to output control module signal
11, multiple MOSFET of the control module signal driving power module, according to scheduled timing and pair for sequentially motivating them
The stator winding answered, so that brushless DC motor 10 is with the shifting of the actuator 4 represented by with the output by hall effect sensor 2
Move corresponding predetermined way (i.e. speed, direction, torque) operating.The speed of DC brushless motor 10 and torque depend on can
The amount of the electric power of stator winding is supplied to via the input of the corresponding MOSFET of stator winding.In these embodiments, it mentions
The amount for supplying the electric power of stator winding can be changed by using pulse modulation technology and controllably, and wherein timing signal is sent out
The output of raw device (for example, " 555 " circuit) is opened as the input of the grid of MOSFET with being appropriately carried out the high speed of MOSFET
It closes, wherein providing the phase generated by DC brushless motor 10 by the amount that MOSFET is switched to the final electric power of stator winding
The speed of prestige and the amount of torque.Therefore, timing generator signal may be used as the control module of the operation of control MOSFET
Signal.In certain embodiments, control module 11 can also include that voltage adjusts and protects circuit, to adjust from DC power supply
To the input voltage of each MOSFET.Magnetic sensor PCB 5 is operatively connected to main PCB 1, installs on main PCB 1
There is control module semiconductor 1.The control module 11 and other electronic devices being arranged on PCB 1 are supplied by the power supply of electrical equipment
Electricity, in the present embodiment, power supply include battery module.
Control assembly further includes contactless reversing mechanism, and contactless reversing mechanism is used to control the operating of motor
Direction, i.e., using any operation mode in Positive work mode or antiport mode.In one embodiment, such as Figure 1A
With shown in 1B, reversing mechanism includes a pair of of optical sensor 9A, for example, being located at a pair of of optical chopper element in shell 6.
Each optical chopper component 9A includes infrared transmitter and the phototransistor pair that is separated with gap.When gap is not hidden
When gear, the infrared light from phototransistor crosses the gap, and is received by corresponding phototransistor, and electric current flows through light
Electric transistor.When gap is blocked, the electric current for flowing through phototransistor will be cut off.In this embodiment, the first light is interrupted
The output of device element is connect with " rotating in the forward direction " input pin of control module semiconductor chip 11, as shown in figure 3, and second
The output of optical chopper element is connect with " reverse rotation " input pin of control module semiconductor chip.Therefore, control module
11 are programmed to change the rotation side of motor by the voltage reversal (actually reversion communication sequence) for making stator winding both ends
To so that during operation, motor is according to rotating in the forward direction input pin or reversely rotate which of input pin pin
It is activated and changed direction of rotation by the output of optical sensor 9A.In this embodiment, reversing mechanism includes reversing bar 13,
Reversing bar 13 can around the pivot component pivot, and be operatively connected to commutation balladeur train 8, when 13 around the pivot component of reversing bar
When pivot, the balladeur train 8 that commutates linear slide above actuator shaft 4 along the track in shell 6.When reversing bar 13 is pivoted to " just
To rotation " position when, commutation balladeur train 8 is configured to block the gap of the second optical chopper element, but does not block the first light
The gap of contact maker element, so that " reverse rotation " the input pin 11B of control module semiconductor chip 11 will not be activated,
And " rotating in the forward direction " input pin 11A will be activated.On the contrary, commutate balladeur train when reversing bar is pivoted to " reverse rotation " position
It is configured to block the gap of the first optical chopper element, but does not block the gap of the second optical chopper element, so that control
" rotating in the forward direction " the input pin 11A of module semiconductor chip processed will not be activated, and " reverse rotation " input pin 11B will
It is activated.
In another embodiment of the present invention, as shown in Figure 2A and 2B, signal using optical sensor 9A it is not
It exports selectively to trigger rotating in the forward direction operation or reversely rotating operation for motor 10, but a pair of magnetic can be passed
Sensor 9B is arranged in shell 6.For example, the output of the first magnetic sensor and control module semiconductor chip 11 " just
To rotation " input pin 11A connection, and the output of the second magnetic sensor and control module semiconductor chip 11 " reversely
Rotation " input pin 11B connection.Magnetic element 3A is mounted on spring-loaded commutation balladeur train 8, so as in response to changing
It is slidably moved between a pair of magnetic sensor 9B to the pivot of 13 around the pivot component of bar.When reversing bar 13 is pivoted to " just
To rotation " position (reversing bar default location) when, the magnetic element 3A being arranged on commutation balladeur train 8 is arranged to relatively close the
One magnetic sensor.The output of first magnetic sensor indicates the variable resistance/voltage in the magnetic field of the magnetic assembly of sensing, this is variable
Resistance/voltage is calibrated " rotating in the forward direction " the input pin 11A to activate control module semiconductor chip 11 by sensor PCB.By
It is relatively distant from the second magnetic sensor in magnetic element 3A, the second magnetic sensor will export variable resistance/voltage, this is variable
Resistance/voltage is calibrated so that " reverse rotation " the input pin 11B that cannot activate control module semiconductor chip 11.On the contrary,
When reversing bar 13 is pivoted to " reverse rotation " position, the magnetic element 3A being arranged on commutation balladeur train 8 is arranged to relatively close
Second magnetic sensor.The output of second magnetic sensor indicates the variable resistance/voltage in the magnetic field of the magnetic element 3A of sensing,
Variable resistance/the voltage is calibrated to " reverse rotation " the input pin 11B of activation control module semiconductor chip 11.Due to
Magnetic element 3A is relatively distant from the first magnetic sensor, therefore the first magnetic sensor will export variable resistance/voltage, this can
Power transformation resistance/voltage is calibrated so that " rotating in the forward direction " the input pin 11A that can not activate control module semiconductor chip 11.
The embodiment of the present invention facilitates the advantages of providing better than the prior art, because can be used including such as magnetic class
The substantially contactless mechanism of type sensor or optical type sensor, the speed Control of Lai Shixian electric tool and/or just
To/antiport scheme control, which reduce the sensibility for the wear and tear for being associated with the prior art, reduce lasting
Maintenance cost and maintenance cost, and improve the bulk life time of electric tool.
It will be understood by those skilled in the art that without departing from the scope of the invention, invention as described herein is easy
In carry out except specifically describe those of in addition to change and modification.It is obvious all to those skilled in the art
These change and modification should be considered within as in broadly described the spirit and scope of the present invention above.It should be understood that this hair
Bright includes all such changes and modifications.The invention also includes all steps separately or cooperatively quoted or pointed out in the description
Rapid and feature and any two in the step or feature or more than any and all combinations.
It is not to the reference of any prior art in this specification and is also not construed as recognizing or implies this in any form
A part of prior art formation common knowledge.
Claims (27)
1. a kind of for controlling the control assembly of the running speed of electrical equipment, the control assembly includes:
Control assembly shell；
Magnetic sensor；
Magnetic element；
Actuator, the actuator are configured to relative to control assembly shell movement, wherein in response to the actuating
The movement of the device relative to the control assembly shell, the magnetic sensor and the magnetic element are in first position and
It is moved relative to each other between at least one position in two positions, so that at the first position, the magnetic sensor
The first magnetic field reading is sensed, and in the second position, the magnetic sensor senses the second magnetic field reading；With
Control module, the control module are operatively connected to the magnetic sensor, and are configured to refer to and divide
The output for not indicating first magnetic field reading and second magnetic field reading, described magnetic sensor of sensing, controls institute
Electrical equipment is stated at least one speed operating in First Speed and second speed.
2. control assembly according to claim 1, wherein the magnetic sensor includes hall effect sensor.
3. control assembly according to claim 1 or 2, wherein the magnetic sensor is installed to the control assembly shell
Body, the magnetic element are installed to the actuator.
4. control assembly according to any one of claim 1 or 2, wherein the magnetic sensor is installed to the cause
Dynamic device, the magnetic element are installed to the control assembly shell.
5. control assembly according to any one of the preceding claims, wherein the control assembly is formed on electricity
In air cock unit, thus the actuator includes for switching on and off the contact of the electrical switching unit, the electricity
The actuator of air cock.
6. control assembly according to any one of the preceding claims, wherein the output of the magnetic sensor includes can
Power transformation resistance, the variable resistance indicate that at least one of first magnetic field reading and second magnetic field reading of sensing are read
Number.
7. control assembly according to any one of the preceding claims, wherein the magnetic sensor includes magnetoresistance material.
8. control assembly according to any one of the preceding claims, wherein the running speed of the electrical equipment includes
The running speed of the motor of the electrical equipment.
9. control assembly according to any one of the preceding claims, wherein the electrical equipment include electric tool and
At least one of electrical garden tool set.
10. a kind of control assembly of Positive work and antiport for selectively controlling electrical equipment, the control group
Part includes:
Control assembly shell；
Magnetic sensor；
Magnetic element；
Actuator, the actuator are configured to relative to control assembly shell movement, wherein in response to the actuating
The movement of the device relative to the control assembly shell, the magnetic sensor and the magnetic element are in first position and
It is moved relative to each other between at least one position in two positions, so that at the first position, the magnetic sensor
The first magnetic field reading is sensed, and in the second position, the magnetic sensor senses the second magnetic field reading；With
Control module, the control module are operatively connected to the magnetic sensor, and are configured to refer to and divide
The output for not indicating first magnetic field reading and second magnetic field reading, described magnetic sensor of sensing, controls institute
Electrical equipment is stated with the operating of at least one of Positive work mode and antiport mode operation mode.
11. control assembly according to claim 10, wherein the magnetic sensor includes hall effect sensor.
12. control assembly described in 0 or 11 according to claim 1, wherein the magnetic sensor is installed to the control assembly
Shell, the magnetic element are installed to the actuator.
13. control assembly described in any one of 0 or 11 according to claim 1, wherein the magnetic sensor is installed to described
Actuator, the magnetic element are installed to the control assembly shell.
14. control assembly described in any one of 0 to 13 according to claim 1, wherein the control assembly is formed on
In electrical switching unit, thus the actuator includes the reversing bar of the electrical switching unit.
15. control assembly described in any one of 0 to 14 according to claim 1, wherein the output of the magnetic sensor includes
Variable resistance, the variable resistance indicate at least one of first magnetic field reading and second magnetic field reading of sensing
Reading.
16. control assembly described in any one of 0 to 15 according to claim 1, wherein the magnetic sensor includes magnetic resistance material
Material.
17. control assembly described in any one of 0 to 16 according to claim 1, wherein the Positive work of the electrical equipment and
Antiport includes the Positive work and antiport of the motor of the electrical equipment.
18. control assembly described in any one of 0 to 17 according to claim 1, wherein the electrical equipment includes electric tool
At least one of with electrical garden tool set.
19. a kind of control assembly of Positive work and antiport for selectively controlling electrical equipment, the control assembly
Include:
Control assembly shell；
Optical sensor；
Actuator, the actuator are configured to relative to control assembly shell movement, wherein in response to the actuating
The movement of the device relative to the control assembly shell, when the actuator arrangement is in first relative to the control assembly
When position, the optical sensor senses the first optical readings, and when the actuator arrangement is relative to the control assembly
When the second position of shell, the optical sensor senses the second optical readings；With
Control module, the control module are operatively connected to the optical sensor, and are configured to refer to and divide
Do not indicate sensing first optical readings and second optical readings, optical sensor output, control institute
Electrical equipment is stated with the operating of at least one of Positive work mode and antiport mode operation mode.
20. control assembly according to claim 19, wherein the optical sensor includes optical chopper.
21. control assembly described in 9 or 20 according to claim 1, wherein the optical sensor is installed to the control assembly
Shell, thus the actuator is configured to mobile relative to the optical sensor.
22. control assembly described in 9 or 20 according to claim 1, wherein the optical sensor is installed to the actuator,
Thus the optical sensor is configured to, when the actuator is mobile relative to the control assembly shell, the optics
Sensor is mobile relative to the control assembly shell.
23. control assembly described in any one of 9 to 22 according to claim 1, wherein the control assembly is formed on
In electrical switching unit, thus the actuator includes the reversing bar of the electrical switching unit.
24. control assembly described in any one of 9 to 23 according to claim 1, wherein the output of the optical sensor includes
Variable resistance, the variable resistance indicate at least one of first optical readings sensed and described second optical readings
Reading.
25. control assembly described in any one of 9 to 24 according to claim 1, wherein the Positive work of the electrical equipment and
Antiport includes the Positive work and antiport of the motor of the electrical equipment.
26. control assembly described in any one of 9 to 25 according to claim 1, wherein the electrical equipment includes electric tool
At least one of with electrical garden tool set.
27. a kind of electrical switching unit, the electrical switching unit includes control according to any one of the preceding claims
Component processed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HK17111877.6 | 2017-11-15 | ||
| HK17111877 | 2017-11-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109831127A true CN109831127A (en) | 2019-05-31 |
Family
ID=66335881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811345552.0A Pending CN109831127A (en) | 2017-11-15 | 2018-11-13 | Control assembly for operation of electrical equipment |
Country Status (3)
| Country | Link |
|---|---|
| US (2) | US11623335B2 (en) |
| CN (1) | CN109831127A (en) |
| DE (1) | DE102018128518A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11913812B2 (en) | 2021-06-11 | 2024-02-27 | Defond Electech Co., Ltd. | Control assembly for use in operation of an electric device |
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|---|---|---|---|---|
| DE102020114634B4 (en) * | 2019-07-18 | 2023-07-20 | Defond Components Limited | Control assembly for use with an electrical device and a corresponding electrical device |
| EP3809434A3 (en) * | 2019-10-15 | 2021-04-28 | Defond Electech Co., Ltd | A variable-speed control assembly for an electric device |
| DE102020120195A1 (en) | 2020-07-30 | 2022-02-03 | Metabowerke Gmbh | Actuating switch for an electric machine tool, method for operating an electric machine tool and electric machine tool |
| DE102020120197A1 (en) | 2020-07-30 | 2022-02-03 | Metabowerke Gmbh | Actuating switch for an electric machine tool, method for operating an electric machine tool and electric machine tool |
| JP2022037568A (en) * | 2020-08-25 | 2022-03-09 | マックス株式会社 | Power tool |
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- 2018-11-13 CN CN201811345552.0A patent/CN109831127A/en active Pending
- 2018-11-14 DE DE102018128518.3A patent/DE102018128518A1/en active Pending
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2023
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| US11913812B2 (en) | 2021-06-11 | 2024-02-27 | Defond Electech Co., Ltd. | Control assembly for use in operation of an electric device |
Also Published As
| Publication number | Publication date |
|---|---|
| US11919137B2 (en) | 2024-03-05 |
| DE102018128518A8 (en) | 2019-09-12 |
| US11623335B2 (en) | 2023-04-11 |
| US20190143501A1 (en) | 2019-05-16 |
| DE102018128518A1 (en) | 2019-05-16 |
| US20230219207A1 (en) | 2023-07-13 |
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Application publication date: 20190531 |